Finding the Third Proportional to 207,499.50 and 454,743

Step by Step Solution

1. Step 1: Write the proportion equation
   207,499.50 : 454,743 = 454,743 : x
2. Step 2: Convert to fraction form
   207,499.50/454,743 = 454,743/x
3. Step 3: Cross multiply
   207,499.50x = 454,743 × 454,743
4. Step 4: Simplify right side
   207,499.50x = 206,791,196,049
5. Step 5: Solve for x
   x = 206,791,196,049/207,499.50
6. Step 6: Final answer
   x = 996,586.48